jointure vs unification

jointure and unification both are nouns.

Word	Noun	Adjective	Verb	Adverb
jointure	Yes	No	No	No
unification	Yes	No	No	No

As nouns, jointure and unification are synonyms defined as:

Other synonyms of jointure include conjugation, union, uniting.

jointure (noun)	unification (noun)
the act of making or becoming a single unit	the act of making or becoming a single unit
(law) an estate secured to a prospective wife as a marriage settlement in lieu of a dower	an occurrence that involves the production of a union
	the state of being joined or united or linked